

public class ListNode {
    int val;
    ListNode next;
    ListNode() {}
    ListNode(int val) { this.val = val; }
    ListNode(int val, ListNode next) { this.val = val; this.next = next; }
}

class Solution {
    public ListNode modifiedList(int[] nums, ListNode head) {
        ListNode res = null;
        
        
        
        return res;
    }
}